SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 8945HS + NVIDIA GeForce RTX 4090 Mobile

Get a comprehensive performance analysis of your gaming rig with detailed benchmarks, bottleneck detection, and upgrade recommendations

93 / 100
ULTIMATE READY

Apex Performer

Top 7% of systems. Capable of 4K Ultra gaming and advanced rendering.

4K 60+ FPSVR ReadyRay Tracing

System Balance Analysis

CPU vs GPU performance ratio
Well Balanced
CPU
89%
VS
GPU
96%
PROCESSOR

AMD Ryzen 9 8945HS

31,074 Benchmark Score
Top 11% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 4090 Mobile

43,667 Benchmark Score
Top 4% Market Ranking
View Full Specs →

Market Position

How your build compares to others
Budget
0-30
Mid-Range
30-60
High-End
60-85
Enthusiast
85-100
Your Build

Game Performance Benchmarks

Real-world 4K FPS in popular titles
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Performance Insights

Tips to maximize your system

Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

4K Gaming Ready

Consider a 4K 144Hz monitor to fully utilize your hardware capabilities.

Compatible Games See what you can play Compare CPUs Find upgrades Compare GPUs Find upgrades

Performance Tiers Explained

90-100

Ultimate

4K Ultra gaming, VR ready, ray tracing enabled, professional workloads

4K 60+ FPS VR Ready
70-89

High-End

1440p Ultra or 4K High settings, excellent for modern AAA titles

1440p Ultra 4K High
50-69

Mid-Range

1080p Ultra or 1440p Medium, great value for most gamers

1080p Ultra 1440p Med
30-49

Entry Level

1080p Medium settings, suitable for eSports and older titles

1080p Med eSports
0-29

Legacy

Basic gaming, older titles, consider upgrading for modern games

720p-1080p Low Older Games

# AMD Ryzen 9 8945HS + NVIDIA GeForce RTX 4090 Mobile

This pairing combines AMD's top-tier Hawk Point mobile processor with NVIDIA's flagship Ada Lovelace laptop GPU, creating a system that sits at the 83rd percentile across all CPU+GPU combinations. The data indicates a laptop-class build with a combined percentile of 83, placing it firmly in the upper tier of mobile workstations and gaming machines. No measured FPS rows exist for this exact combination in the FACT PACK, so all frame-rate discussion below is estimated from the individual benchmark scores rather than direct gameplay data.

FAQ

Q: How does the Ryzen 9 8945HS compare to its closest CPU rivals?

A: The Ryzen 9 8945HS has an average benchmark score of 31,074, which is essentially identical to the Intel Core i7-12700F at 31,081 (0% delta) and the Intel Core i7-13700TE at 31,028 (0.1% delta). It edges out the AMD Ryzen 5 PRO 8645HS by 0.6%, while the Intel Core 9 273PTE is 0.2% ahead.

Q: What is the GPU's performance tier relative to other graphics cards?

A: The RTX 4090 Mobile sits at the 84th percentile of all GPUs with an average benchmark score of 43,667. It trails the NVIDIA RTX A6000 by 0.9% but leads the Quadro M6000 by 0.8% and the RTX 5050 Mobile by 0.9%.

Q: How much memory does the GPU have and what is its bandwidth?

A: The RTX 4090 Mobile features 16 GB of GDDR6 memory on a 256-bit bus, delivering 576.0 GB/s of bandwidth. The memory clock runs at 2250 MHz with 18 Gbps effective speed.

Q: What are the CPU's core and thread counts, and what architecture does it use?

A: The Ryzen 9 8945HS has 8 cores and 16 threads based on Zen 4 architecture (Hawk Point codename), built on a 4 nm TSMC process. It operates at a 4.00 GHz base clock with a 5.20 GHz boost clock and a 45 W TDP.

Q: Does the CPU include integrated graphics?

A: Yes, the Ryzen 9 8945HS includes Radeon 780M integrated graphics, which can handle basic display output and light graphical tasks without engaging the discrete RTX 4090 Mobile.

Q: What is the memory support for this CPU?

A: The CPU supports DDR5 memory in a dual-channel configuration with 89.6 GB/s of memory bandwidth. ECC memory is not supported.

Q: What PCIe generation and lane count does the CPU provide?

A: The Ryzen 9 8945HS offers PCIe Gen 4 with 20 lanes from the CPU. The GPU connects via PCIe 4.0 x16.

Benchmark Performance

The combined benchmark picture shows a system operating at the 83rd percentile of all CPU+GPU pairings, with the CPU contributing an 82nd percentile ranking and the GPU reaching the 84th percentile. The CPU's average benchmark score is 31,074, while the GPU's average is 43,667 — both figures place these components in the upper echelon of their respective categories.

The CPU's 3DMark results reveal strong scaling from 1,013 points in single-thread to 7,774 in the 16-thread test and 7,775 in max-thread. The 2-thread score of 1,985 and 4-thread score of 3,809 show nearly linear scaling, indicating efficient core utilization. The 8-thread score of 6,385 demonstrates that the processor maintains solid performance gains as thread count increases, though the jump from 8 to 16 threads adds only about 1,390 points, suggesting diminishing returns beyond 8 threads in this workload.

In Cinebench, the multicore R23 score of 16,795 versus a single-core score of 1,805 shows the processor's ability to deliver roughly 9.3 times the performance when all cores engage. The R15 results follow a similar pattern with 2,640 multicore and 281 single-core. Geekbench scores of 12,276 multicore and 2,116 single-core reinforce this balance. The Passmark suite shows strong integer math performance at 101,226 and floating-point math at 61,821, with data compression at 356,508 and encryption at 21,323 — indicating robust compute capabilities beyond simple rendering tasks.

The GPU's benchmark results are equally telling. The Geekbench OpenCL score of 180,831 and Vulkan score of 170,774 demonstrate strong compute and graphics API performance. Passmark G3D score of 27,212 places it well above most mobile GPUs, while the G2D score of 984 covers 2D workloads. DirectX 11 scores of 262 and DirectX 9 scores of 310 show legacy API compatibility, while DirectX 12 at 107 and DirectX 10 at 173 reflect the architecture's focus on modern APIs. The GPU compute score of 12,347 indicates substantial parallel processing capability for tasks beyond gaming.

CPU Analysis

The Ryzen 9 8945HS is an 8-core, 16-thread processor from AMD's 8000 series, built on Zen 4 architecture with the Hawk Point codename. It uses a 4 nm TSMC process with 25,000 million transistors on a 178 mm² die. The base clock of 4.00 GHz and boost clock of 5.20 GHz provide substantial single-thread headroom, which is reflected in the 3DMark single-thread score of 1,013 and Passmark single-thread score of 3,850.

The cache hierarchy includes 64 KB L1 per core, 1 MB L2 per core, and 16 MB shared L3. This configuration supports the benchmark results showing strong scaling from 2 to 8 threads, with the 16-thread score nearly matching the max-thread score of 7,775. The Cinebench R23 multicore score of 16,795 places this processor in a competitive position against desktop parts, as evidenced by its near-identical average score to the Intel Core i7-12700F (31,081 vs 31,074).

The Passmark results provide insight into real-world workload performance. The data compression score of 356,508 suggests strong file archiving and database performance. The encryption score of 21,323 indicates capable security and VPN throughput. Extended instructions score of 26,964 shows the AVX-512 and related instruction set efficiency. The find prime numbers score of 92 is modest, but this is a single-threaded test that doesn't fully leverage the processor's multi-threading capability.

The 45 W TDP is notable for a processor with this level of performance. It enables thin-and-light laptop designs while still delivering desktop-class multi-threaded results. The 4 nm process from TSMC contributes to this efficiency, allowing high clock speeds within a mobile power envelope. The processor's position at the 82nd percentile of all CPUs means it outperforms roughly 82% of processors in the database, making it suitable for demanding workloads that were previously reserved for desktop platforms.

Balance and Bottleneck

The RTX 4090 Mobile at the 84th GPU percentile is slightly more powerful relative to its peers than the CPU at the 82nd percentile. This creates a system where the CPU is not a significant bottleneck in most workloads, but the GPU holds a marginal advantage in raw compute capability. The combined percentile of 83 reflects this near-balance, with neither component dramatically outpacing the other.

For gaming workloads, the GPU's 84th percentile ranking means it can drive high frame rates at demanding settings, while the CPU's single-thread performance — evidenced by the 3DMark single-thread score of 1,013 and Cinebench R23 single-core score of 1,805 — is sufficient to feed the GPU in most scenarios. The CPU's 8-core design with 5.20 GHz boost clock provides strong per-core performance that avoids creating a CPU-bound situation in typical gaming loads.

In compute-heavy scenarios like 3D rendering or video encoding, the CPU's multicore scores (Cinebench R23 multicore of 16,795, Passmark multithread of 29,780) suggest it can keep pace with the GPU's compute output. The GPU compute score of 12,347 in Passmark indicates substantial parallel throughput, but the CPU's 16 threads can handle many tasks that aren't easily GPU-accelerated.

The memory subsystem plays a role in balance. The CPU's dual-channel DDR5 support with 89.6 GB/s bandwidth is adequate for feeding 8 cores, while the GPU's 576.0 GB/s memory bandwidth is more than sufficient for its 16 GB of GDDR6 VRAM. Neither component appears memory-starved, which helps maintain the balanced performance profile. The PCIe 4.0 x16 connection between CPU and GPU provides ample bandwidth for data transfer, preventing interface bottlenecks in most workloads.

GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is built on the Ada Lovelace architecture with the AD103 chip, manufactured on a 5 nm TSMC process with 45,900 million transistors on a 379 mm² die. This transistor density of 121.1M per mm² enables the 9,728 shading units, 304 TMUs, and 112 ROPs. The GPU operates at a base clock of 1,335 MHz with a boost clock of 1,695 MHz.

The memory configuration is substantial for a mobile GPU: 16 GB of GDDR6 on a 256-bit bus with 576.0 GB/s bandwidth. This memory bandwidth is nearly 6.4 times the CPU's system memory bandwidth, allowing the GPU to handle large textures and datasets without stalling. The 18 Gbps effective memory speed contributes to the high bandwidth figure.

The ray tracing and tensor cores are key differentiators for this GPU. With 76 RT cores and 304 tensor cores, the RTX 4090 Mobile is equipped for hardware-accelerated ray tracing and AI-based features like DLSS. The FP32 performance of 32.98 TFLOPS and FP16 performance of 32.98 TFLOPS (1:1 ratio) indicate that the GPU doesn't sacrifice half-precision throughput, which is relevant for AI inference and certain compute workloads. The pixel rate of 189.8 GPixel/s and texture rate of 515.3 GTexel/s support high-resolution rendering with detailed textures.

The benchmark scores confirm the GPU's position at the 84th percentile. The Geekbench OpenCL score of 180,831 shows strong general compute performance, while the Vulkan score of 170,774 indicates efficient use of modern graphics APIs. The Passmark G3D score of 27,212 is the primary gaming performance indicator, and it places this GPU slightly above the RTX A6000 in the nearest rival comparison (0.9% delta). The DirectX 12 Ultimate support (12_2) ensures compatibility with the latest games and features, while OpenGL 4.6 and Vulkan 1.4 provide broad API coverage.

The 120 W TDP for this GPU is remarkably low for the performance level, a signal of the efficiency of the Ada Lovelace architecture at 5 nm. This power envelope allows the GPU to be integrated into laptops with the "IGP" slot width designation, meaning it's designed for integrated mobile use rather than expansion slots. The absence of power connectors confirms this is a mobile-only solution.

Usage Scenarios

High-refresh gaming: The RTX 4090 Mobile's 84th percentile ranking and 27,212 Passmark G3D score indicate it can drive high frame rates at 1440p and potentially 4K in many titles. The CPU's single-thread score of 1,013 in 3DMark ensures the processor won't bottleneck the GPU in CPU-bound scenarios, making this pairing suitable for competitive shooters and AAA titles alike.

Streaming: The CPU's 8-core, 16-thread configuration with a Passmark multithread score of 29,780 provides ample headroom for simultaneous gaming and encoding. The GPU's NVENC capabilities, implied by its tensor core count of 304, can offload encoding tasks, freeing CPU resources for game logic and physics.

Video editing: The combination of the CPU's Cinebench R23 multicore score of 16,795 and the GPU's OpenCL score of 180,831 makes this system capable of handling 4K video timelines. The 16 GB VRAM is sufficient for large project files and effects-heavy compositions, while the 576.0 GB/s memory bandwidth supports real-time preview of high-bitrate footage.

3D rendering: The GPU's FP32 performance of 32.98 TFLOPS and the CPU's 16 threads provide a dual-path rendering setup. The 84th GPU percentile and 82nd CPU percentile mean this system can handle both GPU-accelerated renderers like Octane or Redshift and CPU-based renderers without significant wait times.

Software development: The CPU's data compression score of 356,508 and encryption score of 21,323 indicate strong performance for compilation, code analysis, and secure development workflows. The 16 threads handle parallel builds efficiently, while the 5.20 GHz boost clock provides responsive single-threaded IDE performance.

Student and office work: The integrated Radeon 780M GPU allows the system to operate efficiently for basic tasks without engaging the discrete GPU, potentially extending battery life. The CPU's 45 W TDP and the overall laptop class designation make this a portable option for students, while the 82nd CPU percentile ensures smooth multitasking across research, document editing, and presentation workloads.

Upgrade Path and Platform

The Ryzen 9 8945HS uses AMD Socket FP8, which is specific to mobile platforms. This socket is not upgradeable in the traditional desktop sense, so CPU upgrades would require a new laptop or motherboard replacement. The platform supports DDR5 memory in dual-channel configuration, which is the current standard and provides 89.6 GB/s of bandwidth — adequate for the CPU's 8-core design.

The PCIe Gen 4 support with 20 lanes from the CPU provides connectivity for the RTX 4090 Mobile via PCIe 4.0 x16, as well as additional lanes for NVMe storage or other peripherals. This is the current generation of PCIe, so storage and expansion devices will not be bandwidth-limited. The memory bus is dual-channel DDR5, and while ECC is not supported, the 89.6 GB/s bandwidth is sufficient for gaming and content creation workloads.

The GPU's 120 W TDP and the CPU's 45 W TDP combine for a total of 165 W of processor power draw. The suggested PSU field is null in the data, but given the laptop class and the TDP figures, the power delivery system is designed for this specific mobile configuration. The GPU uses no external power connectors, confirming it draws power through the motherboard's dedicated mobile GPU power circuitry.

A sensible next upgrade for this platform would focus on memory capacity and storage rather than component replacement. Adding more DDR5 memory would benefit multitasking and large dataset workloads, while the PCIe 4.0 lanes could support high-speed NVMe storage for faster load times and file transfers. The platform is current-generation, so no immediate upgrade path exists for the CPU or GPU without changing the entire laptop.

Build Overview

This build pairs the AMD Ryzen 9 8945HS with the NVIDIA GeForce RTX 4090 Mobile in a laptop-class configuration. The CPU, based on Zen 4 architecture with Hawk Point codename, delivers an 82nd percentile ranking across all CPUs, while the GPU achieves an 84th percentile ranking across all GPUs. Together, they form a system at the 83rd combined percentile, indicating that roughly 83% of all CPU+GPU pairings in the database are less powerful.

The CPU's 8 cores and 16 threads with a 5.20 GHz boost clock provide strong single-threaded and multi-threaded performance, as evidenced by the 3DMark single-thread score of 1,013 and max-thread score of 7,775. The GPU's 16 GB of GDDR6 memory with 576.0 GB/s bandwidth and 9,728 shading units make it a high-end mobile graphics solution, confirmed by the Passmark G3D score of 27,212 and Geekbench OpenCL score of 180,831.

The near-identical percentile rankings (82 CPU vs 84 GPU) indicate a well-balanced system where neither component dramatically overshadows the other. This balance is reflected in the combined percentile of 83, which sits between the two individual rankings. The system is clearly positioned as a premium laptop configuration, suitable for users who need desktop-class performance in a portable form factor.

Who Should Build It

Gamers at 1440p and 4K resolutions will benefit from the GPU's 84th percentile ranking and 16 GB VRAM, which provides headroom for high-resolution textures and ray tracing. The CPU's single-thread performance ensures smooth frame pacing even in CPU-intensive titles.

Content creators working with video and 3D graphics will find the combination of CPU multicore performance (Cinebench R23 multicore of 16,795) and GPU compute capability (Geekbench OpenCL of 180,831) suitable for rendering, encoding, and effects work. The 16 GB VRAM accommodates large projects.

Software developers who compile large codebases will benefit from the CPU's 16 threads and Passmark integer math score of 101,226. The data compression score of 356,508 also supports version control operations and build artifact handling.

Students in engineering, computer science, or digital arts programs will appreciate the balance of portability (laptop class, 45 W CPU TDP) and performance that handles both coursework and demanding projects like CAD modeling or video editing.

Small business workstations that run virtualization, database management, or financial modeling will see strong performance from the CPU's multithread score of 29,780 and encryption score of 21,323. The system's 83rd combined percentile ensures it can handle multi-user workloads and data processing without excessive wait times.